package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.dao.OrdersettingListDao;
import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.entity.Result;
import com.itheima.pojo.*;
import com.itheima.service.OrderSettingListService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.concurrent.Exchanger;

@Service(interfaceClass = OrderSettingListService.class)
@Transactional
public class OrderSettingListServiceImpl implements OrderSettingListService {
    @Autowired
    private OrdersettingListDao ordersettingListDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Override
    public Result add( Member member, Integer[] setmealIds) throws Exception {
      /*  //首先对member进行存储,返回id
        member.setRegTime(new Date());
        memberDao.add(member);
        //从member中取出orderdate
        Integer memberId = member.getId();
        Date orderDate = member.getOrderDate();
        //其次对order进行存储
        Order order = new Order();
        order.setOrderDate(orderDate);
        order.setMemberId(memberId);
        order.setOrderType("电话预约");
        orderDao.add(order);*/
        //1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        Date orderDate = member.getOrderDate();//预约日期
        OrderSetting orderSetting= orderSettingDao.findByOrderDate(orderDate);
        if(orderSetting == null){
            //指定日期没有进行预约设置，无法完成体检预约
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }

        //2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        int number = orderSetting.getNumber();//可预约人数
        int reservations = orderSetting.getReservations();//已预约人数
        if(reservations >= number){
            //已经约满，无法预约
            return new Result(false,MessageConstant.ORDER_FULL);
        }

        //3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
        String telephone = member.getPhoneNumber();//获取用户页面输入的手机号
        Member memberOrder = memberDao.findByTelephone(telephone);
        if(memberOrder != null){
            //判断是否在重复预约
            Integer memberId = member.getId();//会员ID
            Date order_Date = orderDate;//预约日期
            String setmealId = setmealIds[0].toString();//套餐ID
            Order order = new Order(memberId, order_Date, Integer.parseInt(setmealId));
            //根据条件进行查询
            List<Order> list = orderDao.findByCondition(order);
            if(list != null && list.size() > 0){
                //说明用户在重复预约，无法完成再次预约
                return new Result(false,MessageConstant.HAS_ORDERED);
            }
        }else{
            //4、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
            memberDao.add(member);//自动完成会员注册
        }

        //5、预约成功，更新当日的已预约人数
        Order order = new Order();
//        String address = map.get("address").toString();
        order.setMemberId(member.getId());//设置会员ID
        order.setOrderDate(orderDate);//预约日期
        order.setOrderType("电话预约");//预约类型
        order.setOrderStatus(Order.ORDERSTATUS_NO);//到诊状态
        order.setSetmealId(setmealIds[0]);//套餐ID
        orderDao.add(order);

        orderSetting.setReservations(orderSetting.getReservations() + 1);//设置已预约人数+1
        orderSettingDao.editReservationsByOrderDate(orderSetting);

        return new Result(true,MessageConstant.ORDER_SUCCESS,order.getId());

    }

    //分页查询
    public PageResult pageQuery(QueryPageBean queryPageBean) {
        Integer currentPage = queryPageBean.getCurrentPage();
        Integer pageSize = queryPageBean.getPageSize();
        String queryString = queryPageBean.getQueryString();
        PageHelper.startPage(currentPage,pageSize);
        Page<OrdersetingList>page= ordersettingListDao.findByCondition(queryString);
//        Page<CheckGroup> page = checkGroupDao.findByCondition(queryString);
        PageResult ps = new PageResult(page.getTotal(), page.getResult());
        return ps;
    }

    @Override
    public void confirmOrder(Integer id) {
        ordersettingListDao.confirmOrder(id);
    }

    @Override
    public void cancelOrder(Integer id) {
        ordersettingListDao.cancelOrder(id);
    }
}
